Captain Boomerang is a villain in The Flash comics and media.
George "Digger" Harkness
Born into an impoverished family, he took up throwing boomerangs as a special talent. Later, he tried to make a living by selling toy boomerangs at a toy store. The customers made fun of him and mocked his toys, so he turned to a life of crime.
The son of the previous Captain Boomerang, Owen was abandoned by Digger, and raised in a foster home. Owen later learned that he is half brother of the current Kid Flash, Bart Allen from his father, shortly before his death. After a brief stint with the superhero team, the Outsiders, Owen returned to the side of evil during the Blackest Night when he feed the hearts of the living to his Black Lantern father, and was killed by his fellow Rogues for breaking thier rules.
Powers and Abilities
Captain Boomerang has no real powers, but he is a mechanical genius, capable of making special boomerangs that explode on contact. He has also been known to create boomerangs with especially sharp edges.
Owen, being Bart's half brother, had limited super speed.
Television and Movie History
Justice League Unlimited
Harkness has made an appearance in the animated series Justice League Unlimited as a member of Task Force X led by Rick Flag. He also appeared later in the episode Flash and Substance. In that episode, he appears in a streamlined, trench-coated version of his traditional costume. Harkness also made an appearance in the episode "Eclipsed", though that character is played by an actor in a commercial the Flash was starring in. He is voiced by Donal Gibson.
Superman/Batman: Public Enemies
He is shown as trying to kill Superman among other villains in order to collect the bounty.
Batman: The Brave and the Bold
In the episode Requeim for a Scarlet Speedster he is shown holding Flash on a giant boomerang ready to fire him away but was foiled by Batman. He was later shown in Four Star Spectacular this time holding Batman prisoner and was about to kill him with his own batarang but was stopped just in time by Flash.
Digger Harkness appears in Season 3 of Arrow, portrayed by Nick Tarabay.
Batman: Assault On Arkham
Captain Boomerang is a major antagonist of the film.